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The enthalpy of vaporization of

i have one more question:I know this one has to do with hess's law but i'm not sure of how to get the enthalpy of vaporization
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2. asked by maryanne
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The molar enthalpy of vaporization for water is 40.79 kJ/mol. Express this enthalpy of vaporization in joules per gram.
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2. asked by Rebecca
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The molar enthalpy of vaporization for wateris 40.79 kJ/mol. Express this enthalpy of vaporization in joules per gram. b. The
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2. asked by catalina
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Ammonia (NH3) boils at -33oC; at this temperature it has a density of 0.81 g/cm3. The enthalpy of formation of NH3(g) is
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2. asked by Morgan
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The molar enthalpy of vaporization for wateris 40.79 kJ/mol. Express this enthalpy of vaporization in joules per gram. b. The
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2. asked by maryam
3. 4,611 views
Ethanol (C2H5OH) melts at -114 oC and boils at 78 oC. The enthalpy of fusion of ethanol is 5.02 kJ/mol, and its enthalpy of
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2. asked by RPatel
3. 2,216 views
How much heat is released when 75.0 g of steam at 100.0°C is cooled to ice at -15.0°C? The enthalpy of vaporization of water
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2. asked by Bob
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The enthalpy of vaporization of water at 200°C is 8.33 BTU/lb.What is the value expressed in kJ/mol?
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2. 48 views
The enthalpy of vaporization of chloroform (CHCl3) is 29.2 kJ mol-1 at its normal boiling point 61.2 Celsius. what is the
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2. asked by Viv
3. 3,619 views
Is there a value for the enthalpy of vaporization of water at any temperature? Or does the value change with different
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2. asked by Unsure
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